Built to survive day in, day out use by guides & ski hounds the world over. The Guide Glove from Black Diamond has a highly abrasion resistant outer with a waterproof & breathable Gore-Tex membrane & a palm reinforced with goats leather. There is a removable inner made with a combination of boiled wool, micro-fleece & Primaloft Gold insulation for warmth while still retaining as much dexterity as possible to allow use of neccesary outdoor tools. Gore Warm technology ensures each layer of the glove is engineered to enable excellent insulation performance.